package com.lw.tcpdemo;

import java.io.*;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

/**
 * @author LW
 * @2020/9/14 22:46
 */
public class TcpClientDemo02 {
    public static void main(String[] args) throws Exception {
        //1.创建一个Socket连接
        Socket socket = new Socket(InetAddress.getByName("127.0.0.1"), 9999);
        //2.创建一个输出流
        OutputStream ops = socket.getOutputStream();
        //3.文件流
        //读取文件
        FileInputStream fis = new FileInputStream(new File("C:/Users/ASUS/Desktop/abc/earth.png"));
        //4.写出文件
        byte[] buffer = new byte[1024];
        int len;
        //从哪里读，从fis流中读
        while ((len=fis.read(buffer))!=-1){
            ops.write(buffer,0,len);
        }

        //通知服务器，我已经结束了
        socket.shutdownOutput();//我已经传输完了

        //确定服务器接受完毕，才能够断开连接
        InputStream is = socket.getInputStream();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buffer2 = new byte[1024];
        int len2;
        while ((len2=is.read(buffer2))!=-1){
            baos.write(buffer2,0,len2);
        }
        System.out.println(baos.toString());

        //关闭资源
        baos.close();
        is.close();
        fis.close();
        ops.close();
        socket.close();


    }
}
